Merge #69904 #70850 #70999

69904: licenses: updating licenses r=celiala a=celiala

As part of [Creating a release branch](https://cockroachlabs.atlassian.net/wiki/spaces/ENG/pages/187859111/Creating+a+release+branch) for release-21.2, this PR:
- Adds the following new licenses:
	- BSL-1.0 (Boost Software License)
	- CC-BY-3.0
	- CC0-1.0
	- JSON
	- MPL-2.0
	- The Unlicense
- Updates the BSL change date for 21.2 (we missed updating this last Spring; a separate PR will update this for master/22.1 after branch cut).

This PR is one of the tasks detailed in #70751, which tracks all the steps relevant to creating a release branch for `${vBRANCH_CUT}` and preparing master for the `${vNEXT}` major version.

Release justification: Non-production code change
Release note: None

70850: util/tracing: fix an edge case for active span registration r=andreimatei a=andreimatei

Before this patch, a span with a no-op parent (as opposed to a span
with no parent), would not be present in the active spans registry. The
code was confused: the span didn't qualify as a "local root" because it
had a local parent, but of course it also wasn't really recorded by the
local parent cause a no-op span can't record anything. As such, the span
in question was missing from the registry.
This patch makes a span with a no-op parent behave like a root span.

Release note: None

70999: cluster-ui: derive app name from route parameter in cluster-ui r=maryliag a=xinhaoz

Fixes: #70998

Release justification: category 2

Previously, we were deriving the selected app name from the
query string parameter in for the statements page in the
cluster-ui package. The selected app name should be derived from
the route parameter for the statements page.

Release note (bug fix): the selected app name in the statements page
is now derived from the route parameters.

Co-authored-by: Celia La <[email protected]>
Co-authored-by: Andrei Matei <[email protected]>
Co-authored-by: Xin Hao Zhang <[email protected]>

licenses/BSL.txt

@@ -3,7 +3,7 @@ Business Source License 1.1
 Parameters
 
 Licensor:             Cockroach Labs, Inc.
-Licensed Work:        CockroachDB 21.1
+Licensed Work:        CockroachDB 21.2
                       The Licensed Work is (c) 2021 Cockroach Labs, Inc.
 Additional Use Grant: You may make use of the Licensed Work, provided that
                       you may not use the Licensed Work for a Database
@@ -15,7 +15,7 @@ Additional Use Grant: You may make use of the Licensed Work, provided that
                       Licensed Work by creating tables whose schemas are
                       controlled by such third parties.
 
-Change Date:          2024-04-01
+Change Date:          2024-10-01
 
 Change License:       Apache License, Version 2.0
 

licenses/Boost-BSL.txt

@@ -0,0 +1,23 @@
+Boost Software License - Version 1.0 - August 17th, 2003
+
+Permission is hereby granted, free of charge, to any person or organization
+obtaining a copy of the software and accompanying documentation covered by
+this license (the "Software") to use, reproduce, display, distribute,
+execute, and transmit the Software, and to prepare derivative works of the
+Software, and to permit third-parties to whom the Software is furnished to
+do so, all subject to the following:
+
+The copyright notices in the Software and this entire statement, including
+the above license grant, this restriction and the following disclaimer,
+must be included in all copies of the Software, in whole or in part, and
+all derivative works of the Software, unless such copies or derivative
+works are solely in the form of machine-executable object code generated by
+a source language processor.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.

licenses/CC0-1.0.txt

@@ -0,0 +1,121 @@
+Creative Commons Legal Code
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licenses/JSON.txt

@@ -0,0 +1,11 @@
+The JSON License
+
+Copyright (c) 2002 JSON.org
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+The Software shall be used for Good, not Evil.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.