feat: acquire lock for DB files, update dependencies (#180)

Author: AlCalzone

.babelrc

@@ -4,12 +4,6 @@
 		["@babel/preset-env", { "targets": { "node": "current" } }]
 	],
 	"plugins": [
-		["@babel/plugin-transform-typescript", { "allowDeclareFields": true }],
-		"@babel/plugin-proposal-numeric-separator",
-		"@babel/plugin-proposal-optional-chaining",
-		"@babel/plugin-proposal-nullish-coalescing-operator",
-		"@babel/proposal-object-rest-spread",
-		["@babel/plugin-proposal-decorators", { "legacy": true }],
-		["@babel/plugin-proposal-class-properties", { "loose": true }]
+		["@babel/plugin-transform-typescript", { "allowDeclareFields": true }]
 	]
 }

.github/workflows/test-and-release.yml

@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [12.x]
+        node-version: [14.x]
 
     steps:
     - uses: actions/checkout@v1
@@ -52,7 +52,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        node-version: [10.x, 12.x, 14.x]
+        node-version: [10.x, 12.x, 14.x, 16.x]
         os: [ubuntu-latest]
 
     steps:
@@ -85,7 +85,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [12.x]
+        node-version: [14.x]
 
     steps:
     - uses: actions/checkout@v1
@@ -123,7 +123,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [12.x]
+        node-version: [14.x]
 
     steps:
     - name: Checkout code