refactor(ci): update centralized workflow references to common- prefix

check-semantic-pr.yml and build-docs.yml were renamed to
common-check-semantic-pr.yml and common-build-docs.yml in
reqstool/.github as part of the workflow directory flatten refactor.

Signed-off-by: Jimisola Laursen <jimisola@jimisola.com>

Author: jimisola

.github/workflows/build-docs.yml

@@ -12,4 +12,4 @@ on:
 
 jobs:
   build:
-    uses: reqstool/.github/.github/workflows/build-docs.yml@main
+    uses: reqstool/.github/.github/workflows/common-build-docs.yml@main

.github/workflows/check-semantic-pr.yml

@@ -5,4 +5,4 @@ on:
 
 jobs:
   check:
-    uses: reqstool/.github/.github/workflows/check-semantic-pr.yml@main
+    uses: reqstool/.github/.github/workflows/common-check-semantic-pr.yml@main