Use new Reuse API configuration format (#700)

* Reuse Version update from dep to toml

* Update reuse configuration

---------

Co-authored-by: ajinkyapatil8190 <ajinkyarangnathpatil@gmail.com>
Co-authored-by: Andreas Fritzler <andreas.fritzler@sap.com>

Author: 3 people

.reuse/dep5

@@ -0,0 +1,37 @@
+version = 1
+SPDX-PackageName = "gardener-extension-provider-ironcore"
+SPDX-PackageSupplier = "IronCore authors <ospo@sap.com>"
+SPDX-PackageDownloadLocation = "https://github.com/ironcore-dev/gardener-extension-provider-ironcore"
+
+[[annotations]]
+path = [
+    ".github/**",
+    ".gitignore",
+    ".dockerignore",
+    ".golangci.yaml",
+    "CODEOWNERS",
+    "CODE_OF_CONDUCT.md",
+    "Dockerfile",
+    "Makefile",
+    "go.mod",
+    "go.sum",
+    "VERSION",
+    "hack/**",
+    "example/**",
+    "charts/**",
+    "imagevector/images.yaml",
+    "pkg/controller/bastion/ignition/template.yaml",
+    "REUSE.toml",
+]
+precedence = "aggregate"
+SPDX-FileCopyrightText = "2023 SAP SE or an SAP affiliate company and IronCore contributors"
+SPDX-License-Identifier = "Apache-2.0"
+
+[[annotations]]
+path = [
+    "docs/**",
+    "README.md",
+]
+precedence = "aggregate"
+SPDX-FileCopyrightText = "2023 SAP SE or an SAP affiliate company and IronCore contributors"
+SPDX-License-Identifier = "Apache-2.0"