Bump @types/jest from 25.2.3 to 26.0.0 in /client

Bumps [@types/jest](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/jest) from 25.2.3 to 26.0.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/jest)

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

client/package-lock.json

@@ -2810,98 +2810,13 @@
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     },
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-      "resolved": "https://registry.npmjs.org/@types/jest/-/jest-25.2.3.tgz",
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+      "version": "26.0.0",
+      "resolved": "https://registry.npmjs.org/@types/jest/-/jest-26.0.0.tgz",
+      "integrity": "sha512-/yeMsH9HQ1RLORlXAwoLXe8S98xxvhNtUz3yrgrwbaxYjT+6SFPZZRksmRKRA6L5vsUtSHeN71viDOTTyYAD+g==",
       "dev": true,
       "requires": {
         "jest-diff": "^25.2.1",
         "pretty-format": "^25.2.1"
-      },
-      "dependencies": {
-        "@jest/types": {
-          "version": "25.5.0",
-          "resolved": "https://registry.npmjs.org/@jest/types/-/types-25.5.0.tgz",
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-          "dev": true,
-          "requires": {
-            "@types/istanbul-lib-coverage": "^2.0.0",
-            "@types/istanbul-reports": "^1.1.1",
-            "@types/yargs": "^15.0.0",
-            "chalk": "^3.0.0"
-          }
-        },
-        "ansi-regex": {
-          "version": "5.0.0",
-          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.0.tgz",
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-            "supports-color": "^7.1.0"
-          }
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-        "diff-sequences": {
-          "version": "25.2.6",
-          "resolved": "https://registry.npmjs.org/diff-sequences/-/diff-sequences-25.2.6.tgz",
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-          "dev": true
-        },
-        "jest-diff": {
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-          "resolved": "https://registry.npmjs.org/jest-diff/-/jest-diff-25.5.0.tgz",
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-            "diff-sequences": "^25.2.6",
-            "jest-get-type": "^25.2.6",
-            "pretty-format": "^25.5.0"
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-        "jest-get-type": {
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-          "dev": true,
-          "requires": {
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-            "ansi-regex": "^5.0.0",
-            "ansi-styles": "^4.0.0",
-            "react-is": "^16.12.0"
-          }
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-        "supports-color": {
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-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.1.0.tgz",
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-          "dev": true,
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     "@types/json-schema": {

client/package.json

@@ -53,7 +53,7 @@
     "@testing-library/react": "^10.2.1",
     "@types/classnames": "^2.2.10",
     "@types/is-url": "^1.2.28",
-    "@types/jest": "^25.2.3",
+    "@types/jest": "^26.0.0",
     "@types/react": "^16.9.35",
     "@types/react-datepicker": "^2.11.0",
     "@types/react-dom": "^16.9.8",