deps: remove markupsafe pin (#768)

* deps: remove markupsafe v2 pin

resolves comses/planning#277

* test(e2e): give release editor some time to initialize

rarely, the test would hang up on a (inconsequential) TypeError on the
client if it tried to do stuff before the release editor store was initialized

django/requirements.txt

@@ -30,7 +30,6 @@ html2text>=2016.9.19
 jinja2==3.1.4
 jsonschema==4.19.0
 markdown==3.6
-MarkupSafe<3.0.0  # FIXME: remove after regression in 3.0.x is patched https://github.com/comses/planning/issues/277
 nltk>=3.8.1,<4.0.0
 numpy==1.26.4
 pandas==2.2.2

e2e/cypress/tests/codebase.spec.ts

@@ -48,7 +48,8 @@ describe("Visit codebases page", () => {
       getDataCy("codebase-associated-publications").type(codebase["associated-publications"]);
       getDataCy("codebase-references").type(codebase.references);
       getDataCy("next").click();
-
+      // make sure the release editor is initialized
+      cy.wait(2000);
       //add images
       getDataCy("add-image").click();
       getDataCy("upload-image")