static: funding.json: slightly improve the language (MR 355)

I took the number of "close to 50" for it to be future-proof, and
counting TCs+Active Contributors.

static/funding.json

@@ -6,7 +6,7 @@
         "name": "The postmarketOS team",
         "email": "team@postmarketOS.org",
         "phone": "",
-        "description": "We are a bunch of passionate developers who, together with our fantastic community, have been working to bring you postmarketOS since 2017. We develop free and open-source software to extend the life of consumer electronics. We believe that by empowering people to have full control of their devices we promote a healthier and more sustainable society.",
+        "description": "We are a group of close to 50 passionate developers who, together with our fantastic community, have been working to bring you postmarketOS since 2017. We develop free and open-source software to extend the life of consumer electronics. We believe that by empowering people to have full control of their devices we promote a healthier and more sustainable society.",
         "webpageUrl": {
             "url": "https://postmarketos.org/team/"
         }