No, that isn't a done deal yet:
https://www.statista.com/statistics/810406/ratio-of-military...
post-cold-war numbers until 2022 are under 1.4%
2023 is still well below 2% at 1.5%:
https://www.sipri.org/sites/default/files/2024-04/2404_fs_mi...
2024 is expected to maybe barely scratch 2%, but maybe only with accounting tricks such as including road and train infra spending:
https://www.politico.eu/article/berlin-germany-pump-defense-...
Also, the 100mio are only expected to last until 2026 at most, and the budget for 2025 led to the blowup of the traffic-light-coalition government and is expected to include major slashes in spending when the next government after the spring election gets working on it.