ci: minimise work on commits/PRs, that affect only .yml files

.github/workflows/c2v.yml

@@ -4,12 +4,14 @@ on:
   push:
     paths-ignore:
       - "**.md"
+      - "**.yml"
       - "doc/**"
       - "examples/**"
       - "tutorials/**"
   pull_request:
     paths-ignore:
       - "**.md"
+      - "**.yml"
       - "doc/**"
       - "examples/**"
       - "tutorials/**"

.github/workflows/ci.yml

@@ -4,9 +4,11 @@ on:
   push:
     paths-ignore:
       - "**.md"
+      - "**.yml"
   pull_request:
     paths-ignore:
       - "**.md"
+      - "**.yml"
 
 concurrency:
   group: build-ci-${{ github.event.pull_request.number || github.sha }}

.github/workflows/ci_sanitized.yml

@@ -39,6 +39,9 @@ on:
       - 'vlib/v/markused/**.v'
       - 'vlib/v/preludes/**.v'
       - 'vlib/v/embed_file/**.v'
+    paths-ignore:
+      - "**.md"
+      - "**.yml"
   pull_request:
     paths:
       - '!**'
@@ -66,6 +69,9 @@ on:
       - 'vlib/v/markused/**.v'
       - 'vlib/v/preludes/**.v'
       - 'vlib/v/embed_file/**.v'
+    paths-ignore:
+      - "**.md"
+      - "**.yml"
 
 concurrency:
   group: build-sanitized-${{ github.event.pull_request.number || github.sha }}

.github/workflows/containers_ci.yml

@@ -4,9 +4,11 @@ on:
   push:
     paths-ignore:
       - "**.md"
+      - "**.yml"
   pull_request:
     paths-ignore:
       - "**.md"
+      - "**.yml"
 
 concurrency:
   group: build-containers-${{ github.event.pull_request.number || github.sha }}

.github/workflows/docs_ci.yml

@@ -1,8 +1,16 @@
 name: Docs CI
 
-### Run on *EVERY* commit. The documentation *SHOULD* stay valid, and
-### the developers should receive early warning if they break it.
-on: [push, pull_request]
+### Run on *EVERY* .v or .md related commit.
+### The documentation *SHOULD* stay valid, and the developers should receive
+### early warning, if they break it.
+
+on:
+  push:
+    paths-ignore:
+      - "**.yml"
+  pull_request:
+    paths-ignore:
+      - "**.yml"
 
 jobs:
   check-markdown:
@@ -31,7 +39,7 @@ jobs:
         uses: actions/checkout@v2
         with:
           repository: vlang/v
-          ref: master # important
+          ref: master   # important
           path: pv
 
       - name: Check against parent commit

.github/workflows/sdl_ci.yml

@@ -4,9 +4,15 @@ on:
   push:
     paths-ignore:
       - "**.md"
+      - "**.yml"
   pull_request:
     paths-ignore:
       - "**.md"
+      - "**.yml"
+
+concurrency:
+  group: sdl-ci-${{ github.event.pull_request.number || github.sha }}
+  cancel-in-progress: true
 
 jobs:
   v-compiles-sdl-examples: