badwords: dedupe invocation into a runnable script

Also:
- GHA/checksrc: merge two badwords CI jobs into a single one.
- re-add the more common bitness entries.

Closes #20874

.github/workflows/checkdocs.yml

@@ -115,27 +115,16 @@ jobs:
           pyspelling --version
           pyspelling --verbose --jobs 5 --config .github/scripts/pyspelling.yaml
 
-  badwords-synopsis:
-    name: 'badwords, synopsis'
+  synopsis-man-examples:
+    name: 'synopsis, man-examples'
     runs-on: ubuntu-24.04-arm
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           persist-credentials: false
 
-      - name: 'badwords'
-        run: ./scripts/badwords -w ./scripts/badwords.ok '**.md' projects/OS400/README.OS400 < ./scripts/badwords.txt
-
       - name: 'verify synopsis'
         run: .github/scripts/verify-synopsis.pl docs/libcurl/curl*.md
 
-  man-examples:
-    name: 'man-examples'
-    runs-on: ubuntu-24.04-arm
-    steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-        with:
-          persist-credentials: false
-
       - name: 'verify examples'
         run: .github/scripts/verify-examples.pl docs/libcurl/curl*.md docs/libcurl/opts/*.md

.github/workflows/checksrc.yml

@@ -179,6 +179,4 @@ jobs:
         run: .github/scripts/yamlcheck.sh
 
       - name: 'badwords'
-        run: |
-          # we allow some extra in source code
-          grep -Ev '^(will:|But=|So=|And=| url=)' ./scripts/badwords.txt | ./scripts/badwords -a src lib include docs/examples
+        run: scripts/badwords-all