ci: use self-repository syntax (#87)

Author: cesarcoatl

.github/workflows/publish-2.7.yml

@@ -11,7 +11,7 @@ on:
 
 jobs:
   publish:
-    uses: ./.github/workflows/publish.yml
+    uses: $/.github/workflows/publish.yml
     strategy:
       matrix:
         image:

.github/workflows/publish-3.12.yml

@@ -40,7 +40,7 @@ jobs:
 
   publish:
     needs: tagger
-    uses: ./.github/workflows/publish.yml
+    uses: $/.github/workflows/publish.yml
     strategy:
       matrix:
         image:

.github/workflows/publish-3.13.yml

@@ -40,7 +40,7 @@ jobs:
 
   publish:
     needs: tagger
-    uses: ./.github/workflows/publish.yml
+    uses: $/.github/workflows/publish.yml
     strategy:
       matrix:
         image:

.github/workflows/publish-3.14.yml

@@ -40,7 +40,7 @@ jobs:
 
   publish:
     needs: tagger
-    uses: ./.github/workflows/publish.yml
+    uses: $/.github/workflows/publish.yml
     strategy:
       matrix:
         image: