update flake inputs

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "emacs-overlay": {
       "locked": {
-        "lastModified": 1635582806,
-        "narHash": "sha256-vsnnFdVWvrXh0bAx9+8N3cE/30EZAB9it4/V0cenl0w=",
+        "lastModified": 1635932289,
+        "narHash": "sha256-kiSSWjOwH6G/cQF93HgnbYDXzt7GH25ID1W+kf/7/s4=",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "016831103869d68a3dea56150f5224fdb32e5f8c",
+        "rev": "14162c1d4f1882a4fe2069cea9cd6f0c42c7bef3",
         "type": "github"
       },
       "original": {
@@ -17,11 +17,11 @@
     },
     "flake-utils": {
       "locked": {
-        "lastModified": 1631561581,
-        "narHash": "sha256-3VQMV5zvxaVLvqqUrNz3iJelLw30mIVSfZmAaauM3dA=",
+        "lastModified": 1634851050,
+        "narHash": "sha256-N83GlSGPJJdcqhUxSCS/WwW5pksYf3VP1M13cDRTSVA=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "7e5bf3925f6fbdfaf50a2a7ca0be2879c4261d19",
+        "rev": "c91f3de5adaf1de973b797ef7485e441a65b8935",
         "type": "github"
       },
       "original": {
@@ -32,11 +32,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1633850807,
-        "narHash": "sha256-oQHe9MNd3/cD8u25RWbgO7bjsb53Ro1GufZ5cHA4Mcg=",
+        "lastModified": 1635952736,
+        "narHash": "sha256-BujdAxgEFYLZ46BzOuBx2kZyPsBrRMe+elOChyyR3qE=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "b7e7d35cccea936bc41d9f2602bda3effee97b0a",
+        "rev": "ed71268f52358a89ec9a429f9ec18a19ece82108",
         "type": "github"
       },
       "original": {