make CI more efficient (github and gitlab)

squashed from https://gitlab.com/famedly/conduit/-/merge_requests/596

ported the relevant parts to GitHub Actions

Co-authored-by: strawberry <strawberry@puppygock.gay>
Signed-off-by: strawberry <strawberry@puppygock.gay>

flake.lock

@@ -60,8 +60,8 @@
       },
       "original": {
         "owner": "ipetkov",
-        "ref": "master",
         "repo": "crane",
+        "rev": "2c653e4478476a52c6aa3ac0495e4dea7449ea0e",
         "type": "github"
       }
     },
@@ -73,11 +73,11 @@
         "rust-analyzer-src": "rust-analyzer-src"
       },
       "locked": {
-        "lastModified": 1707891749,
-        "narHash": "sha256-SeikNYElHgv8uVMbiA9/pU3Cce7ssIsiM8CnEiwd1Nc=",
+        "lastModified": 1709619709,
+        "narHash": "sha256-l6EPVJfwfelWST7qWQeP6t/TDK3HHv5uUB1b2vw4mOQ=",
         "owner": "nix-community",
         "repo": "fenix",
-        "rev": "3115aab064ef38cccd792c45429af8df43d6d277",
+        "rev": "c8943ea9e98d41325ff57d4ec14736d330b321b2",
         "type": "github"
       },
       "original": {
@@ -138,11 +138,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1705309234,
-        "narHash": "sha256-uNRRNRKmJyCRC/8y1RqBkqWBLM034y4qN7EprSdmgyA=",
+        "lastModified": 1709126324,
+        "narHash": "sha256-q6EQdSeUZOG26WelxqkmR7kArjgWCdw5sfJVHPH/7j8=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "1ef2e671c3b0c19053962c07dbda38332dcebf26",
+        "rev": "d465f4819400de7c8d874d50b982301f28a84605",
         "type": "github"
       },
       "original": {
@@ -200,11 +200,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1707689078,
-        "narHash": "sha256-UUGmRa84ZJHpGZ1WZEBEUOzaPOWG8LZ0yPg1pdDF/yM=",
+        "lastModified": 1709479366,
+        "narHash": "sha256-n6F0n8UV6lnTZbYPl1A9q1BS0p4hduAv1mGAP17CVd0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "f9d39fb9aff0efee4a3d5f4a6d7c17701d38a1d8",
+        "rev": "b8697e57f10292a6165a20f03d2f42920dfaf973",
         "type": "github"
       },
       "original": {
@@ -228,11 +228,11 @@
     "rust-analyzer-src": {
       "flake": false,
       "locked": {
-        "lastModified": 1707849817,
-        "narHash": "sha256-If6T0MDErp3/z7DBlpG4bV46IPP+7BWSlgTI88cmbw0=",
+        "lastModified": 1709571018,
+        "narHash": "sha256-ISFrxHxE0J5g7lDAscbK88hwaT5uewvWoma9TlFmRzM=",
         "owner": "rust-lang",
         "repo": "rust-analyzer",
-        "rev": "a02a219773629686bd8ff123ca1aa995fa50d976",
+        "rev": "9f14343f9ee24f53f17492c5f9b653427e2ad15e",
         "type": "github"
       },
       "original": {