nix: Update protobuf & mockery to latest version

Also run `nix flake update` to get general package updates

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "flake-utils": {
       "locked": {
-        "lastModified": 1644229661,
-        "narHash": "sha256-1YdnJAsNy69bpcjuoKdOYQX0YxZBiCYZo4Twxerqv7k=",
+        "lastModified": 1653893745,
+        "narHash": "sha256-0jntwV3Z8//YwuOjzhV2sgJJPt+HY6KhU7VZUL0fKZQ=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "3cecb5b042f7f209c56ffd8371b2711a290ec797",
+        "rev": "1ed9fb1935d260de5fe1c2f7ee0ebaae17ed2fa1",
         "type": "github"
       },
       "original": {
@@ -17,11 +17,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1645937171,
-        "narHash": "sha256-n9f9GZBNMe8UMhcgmmaXNObkH01jjgp7INMrUgBgcy4=",
+        "lastModified": 1654126564,
+        "narHash": "sha256-sgDXDKGmUG4h7OPDOHyQggFQ08ZqVzUIPi8351yhugY=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "22dc22f8cedc58fcb11afe1acb08e9999e78be9c",
+        "rev": "f1c9c23aad972787f00f175651e4cb0d7c7fd5ea",
         "type": "github"
       },
       "original": {

nix/go-mockery.nix

@@ -2,13 +2,13 @@
 
 buildGoModule rec {
   pname = "go-mockery";
-  version = "2.9.4";
+  version = "2.12.3";
 
   src = fetchFromGitHub {
     owner = "vektra";
     repo = "mockery";
     rev = "v${version}";
-    sha256 = "sha256-y3pbhEqBeOU9DgzowYRH5UcOMOJpWIVgbbA5GlHqH+s=";
+    sha256 = "sha256-3SF8vNYG0PrZhP3zcn9mV85ByQtGDumUcxglf35/eD0";
   };
 
   buildFlagsArray = ''
@@ -16,8 +16,8 @@ buildGoModule rec {
     -s -w -X github.com/vektra/mockery/v2/pkg/config.SemVer=${version}
   '';
 
-  modSha256 = "sha256-//V3ia3YP1hPgC1ipScURZ5uXU4A2keoG6dGuwaPBcA=";
-  vendorSha256 = "sha256-//V3ia3YP1hPgC1ipScURZ5uXU4A2keoG6dGuwaPBcA=";
+  modSha256 = "sha256-/ha6DCJ+vSOmfFJ+rjN6rfQ3GHZF19OQnmHjYRtSY2g=";
+  vendorSha256 = "sha256-/ha6DCJ+vSOmfFJ+rjN6rfQ3GHZF19OQnmHjYRtSY2g=";
 
   subPackages = ["."];
 }

nix/overlay.nix

@@ -1,6 +1,6 @@
 final: prev: rec {
   # This is the pinned protoc version we have for this project.
-  protobufPin = prev.protobuf3_15;
+  protobufPin = prev.protobuf3_19;
 
   ruby = final.ruby_2_7;