Try to improve dependabot pr grouping (#1101)

(Removing `rebase-strategy: "auto"` since it's the default.)

.github/dependabot.yml

@@ -1,9 +1,15 @@
+# https://docs.github.com/en/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
 version: 2
 updates:
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
       interval: "weekly"
+    groups:
+      actions:
+        patterns:
+          - "*"
   - package-ecosystem: "gomod"
     directory: "/collector"
     schedule:
@@ -12,6 +18,9 @@ updates:
       opentelemetry-deps-collector:
         patterns:
           - "*opentelemetry*"
+      other:
+        patterns:
+          - "*"
   - package-ecosystem: "gomod"
     directory: "/collector/lambdacomponents"
     schedule:
@@ -20,6 +29,9 @@ updates:
       opentelemetry-deps-lambdacomponents:
         patterns:
           - "*opentelemetry*"
+      other:
+        patterns:
+          - "*"
   - package-ecosystem: "gradle"
     directory: "/java"
     schedule:
@@ -28,11 +40,16 @@ updates:
       opentelemetry-deps-java:
         patterns:
           - "io.opentelemetry.*"
+      amazon-deps:
+        patterns:
+          - "*amazon*"
+      other:
+        patterns:
+          - "*"
   - package-ecosystem: "npm"
     directory: "/nodejs"
     schedule:
       interval: "weekly"
-    rebase-strategy: "auto"
   - package-ecosystem: "npm"
     directory: "/nodejs/packages/layer"
     schedule:
@@ -41,7 +58,9 @@ updates:
       opentelemetry-deps-nodejs:
         patterns:
           - "@opentelemetry/*"
-    rebase-strategy: "auto"
+      other:
+        patterns:
+          - "*"
   - package-ecosystem: "pip"
     directory: "/python/src/otel"
     schedule:
@@ -50,3 +69,6 @@ updates:
       opentelemetry-deps-python:
         patterns:
           - "opentelemetry-*"
+      other:
+        patterns:
+          - "*"