reduce dupl code

Author: aewag

.github/workflows/sha1.yml

@@ -3,7 +3,7 @@ name: sha1
 on:
   pull_request:
     paths:
-      - ".github/workflows/sha1.yml"
+        #- ".github/workflows/sha1.yml"
       - "sha1/**"
       - "Cargo.*"
   push:

.github/workflows/sha2.yml

@@ -3,7 +3,7 @@ name: sha2
 on:
   pull_request:
     paths:
-      - ".github/workflows/sha2.yml"
+        #- ".github/workflows/sha2.yml"
       - "sha2/**"
       - "Cargo.*"
   push:

.github/workflows/sha3.yml

@@ -1,5 +1,11 @@
 name: sha3
 
+env:
+  MSRV: 1.41.0
+  RUSTFLAGS: "-Dwarnings"
+  CARGO_INCREMENTAL: 0
+  PACKAGE: sha3
+
 on:
   pull_request:
     paths:
@@ -11,12 +17,7 @@ on:
 
 defaults:
   run:
-    working-directory: sha3
-
-env:
-  MSRV: 1.41.0
-  RUSTFLAGS: "-Dwarnings"
-  CARGO_INCREMENTAL: 0
+    working-directory: env.PACKAGE
 
 jobs:
   set-msrv: