Update python-dotenv requirement in /telegram_bot

Updates the requirements on [python-dotenv](https://github.com/theskumar/python-dotenv) to permit the latest version.
- [Release notes](https://github.com/theskumar/python-dotenv/releases)
- [Changelog](https://github.com/theskumar/python-dotenv/blob/main/CHANGELOG.md)
- [Commits](https://github.com/theskumar/python-dotenv/compare/v0.20.0...v0.21.0)

---
updated-dependencies:
- dependency-name: python-dotenv
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

frontend/package-lock.json

@@ -14,7 +14,7 @@
         "@angular/compiler": "~13.2.0",
         "@angular/core": "~13.2.0",
         "@angular/forms": "~13.2.0",
-        "@angular/material": "^14.2.2",
+        "@angular/material": "^13.3.6",
         "@angular/platform-browser": "~13.2.0",
         "@angular/platform-browser-dynamic": "~13.2.0",
         "@angular/router": "~13.2.0",
@@ -679,19 +679,19 @@
       }
     },
     "node_modules/@angular/material": {
-      "version": "14.2.2",
-      "resolved": "https://registry.npmjs.org/@angular/material/-/material-14.2.2.tgz",
-      "integrity": "sha512-jVCaESSTTkLjRvMzSQj294s0Lz1YMVFkl0svrMtWgkUMXHEfx2Vjw6FXdrVrBXlxEIrpfhkTEXVN2DC1kkAkQw==",
+      "version": "13.3.6",
+      "resolved": "https://registry.npmjs.org/@angular/material/-/material-13.3.6.tgz",
+      "integrity": "sha512-V+3Fs9JK+7KlcdJG/Oa/IQuLHC8WYzuL8ffH1Q06ANSzGxSjsAHs4FZQpKUpVBoL3E+p9Yz+zkKe91k5L62VoQ==",
       "dependencies": {
         "tslib": "^2.3.0"
       },
       "peerDependencies": {
-        "@angular/animations": "^14.0.0 || ^15.0.0",
-        "@angular/cdk": "14.2.2",
-        "@angular/common": "^14.0.0 || ^15.0.0",
-        "@angular/core": "^14.0.0 || ^15.0.0",
-        "@angular/forms": "^14.0.0 || ^15.0.0",
-        "@angular/platform-browser": "^14.0.0 || ^15.0.0",
+        "@angular/animations": "^13.0.0 || ^14.0.0-0",
+        "@angular/cdk": "13.3.6",
+        "@angular/common": "^13.0.0 || ^14.0.0-0",
+        "@angular/core": "^13.0.0 || ^14.0.0-0",
+        "@angular/forms": "^13.0.0 || ^14.0.0-0",
+        "@angular/platform-browser": "^13.0.0 || ^14.0.0-0",
         "rxjs": "^6.5.3 || ^7.4.0"
       }
     },
@@ -14440,9 +14440,9 @@
       }
     },
     "@angular/material": {
-      "version": "14.2.2",
-      "resolved": "https://registry.npmjs.org/@angular/material/-/material-14.2.2.tgz",
-      "integrity": "sha512-jVCaESSTTkLjRvMzSQj294s0Lz1YMVFkl0svrMtWgkUMXHEfx2Vjw6FXdrVrBXlxEIrpfhkTEXVN2DC1kkAkQw==",
+      "version": "13.3.6",
+      "resolved": "https://registry.npmjs.org/@angular/material/-/material-13.3.6.tgz",
+      "integrity": "sha512-V+3Fs9JK+7KlcdJG/Oa/IQuLHC8WYzuL8ffH1Q06ANSzGxSjsAHs4FZQpKUpVBoL3E+p9Yz+zkKe91k5L62VoQ==",
       "requires": {
         "tslib": "^2.3.0"
       }

frontend/package.json

@@ -18,7 +18,7 @@
     "@angular/compiler": "~13.2.0",
     "@angular/core": "~13.2.0",
     "@angular/forms": "~13.2.0",
-    "@angular/material": "^14.2.2",
+    "@angular/material": "^13.3.6",
     "@angular/platform-browser": "~13.2.0",
     "@angular/platform-browser-dynamic": "~13.2.0",
     "@angular/router": "~13.2.0",

telegram_bot/requirements.txt

@@ -1,7 +1,7 @@
 pyTelegramBotAPI~=4.5.0
 Markdown~=3.3.6
 newsapi-python~=0.2.6
-python-dotenv~=0.20.0
+python-dotenv~=0.21.0
 requests~=2.27.1
 APScheduler~=3.9.1
 croniter~=1.3.4